alkaline -- Term pertaining to a highly basic, as opposed to acidic, subtance. For example, hydroxide or carbonate of sodium or potassium.
alkaline having a pH value of 7 or lower (the opposite of “acidic') ...
Alkaline bile salt agar: The colonies are very similar to those on Nutrient Agar.
Monsur's gelatin Tauro cholate trypticase tellurite agar (GTTA) medium: Cholera vibrios produce small translucent colonies with a greyish black centre.
Alkaline
(1) Having a pH greater than 7.
(2) Substance that releases hydroxyl ions (OH-).
Developing begins by immersing the film in an alkaline solution of specific organic chemicals that neutralize the electrons and reduce Ag+ ions into minute grains of black silver metal.
Though the exact form of a response may not be known, there is usually some evidence for a species general preferences, for example, its need for acidic, neutral and/or alkaline soil conditions.
 See also: Area, Region, Surface, Soil, Slope
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